def is_valid_dvswitch(session, cluster_mor, dvs_name):
"""
Check if DVS is present for the cluster specified in conf.
Also validate if DVS is attached to all the hosts in the cluster.
"""
dvs_mor = get_dvs_mor_by_name(session, dvs_name)
if dvs_mor:
dvs_config = session._call_method(
vim_util, "get_dynamic_property", dvs_mor,
"DistributedVirtualSwitch", "config.host")
# Get all the host attached to given VDS
dvs_host_members = dvs_config[0]
dvs_attached_host_ids = []
for dvs_host_member in dvs_host_members:
dvs_attached_host_ids.append(dvs_host_member.config.host.value)
# Get all the hosts present in the cluster
hosts_in_cluster = resource_util.get_host_mors_for_cluster(
session, cluster_mor)
# Check if the host on which OVSvApp VM is hosted is a part of DVSwitch
if hosts_in_cluster:
for host in hosts_in_cluster:
hostname = resource_util.get_hostname_for_host_mor(
session, host)
if hostname == cfg.CONF.VMWARE.esx_hostname:
if host.value not in dvs_attached_host_ids:
LOG.error(_("DVS not present on host %s") % host.value)
return
return hosts_in_cluster
else:
LOG.error(_("Switch not present"))
